40573125 has 30 divisors (see below), whose sum is σ = 73243742. Its totient is φ = 21636000.

The previous prime is 40573121. The next prime is 40573157. The reversal of 40573125 is 52137504.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 9235521 + 31337604 = 3039^2 + 5598^2 .

It is not a de Polignac number, because 40573125 - 2² = 40573121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40573121) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2019 + ... + 9231.

Almost surely, 2^40573125 is an apocalyptic number.

40573125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40573125 is a deficient number, since it is larger than the sum of its proper divisors (32670617).

40573125 is an equidigital number, since it uses as much as digits as its factorization.

40573125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40573125 is about 6369.7036822760. The cubic root of 40573125 is about 343.6208330132.

The spelling of 40573125 in words is "forty million, five hundred seventy-three thousand, one hundred twenty-five".